Post bed machine (column 180 mms) single needle, rotating differential feeders, and bobbin variable by knee pedal during the stitching process. Can make a quite remarkable type of stitching. The machine can come either with he larger hook or with a smaller one. C997/m9-r the small wheel can be raised electrically (by electro magnets) or by knee pedal. Wide wisual field thanks to the column small dimension, allowing even the most difficult stitching patterns.